Transcriptomics,Genomics

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301

Genome-wide analysis reveals unique regulation of transcription of Th2-specific genes by GATA3


ABSTRACT: Differentiation of naive CD4 T cells into type 2 helper (Th2) cells is accompanied by chromatin remodeling and increased expression of a set of Th2-specific genes including those encoding Th2 cytokines. IL-4-mediated STAT6 activation induces high levels of transcription of GATA3, a master regulator of Th2 cell differentiation, and enforced expression of GATA3 induces Th2 cytokine expression. However, it remains unclear whether the expression of other Th2-specific genes is induced directly by GATA3. A genome-wide unbiased ChIP-seq analysis revealed that GATA3 bound to 1,279 genes selectively in Th2 cells, and 101 genes in both Th1 and Th2 cells. Simultaneously, we identified 26 highly Th2-specific STAT6-dependent inducible genes by a DNA microarray analysis-based three-step selection processes, and among them 17 genes showed GATA3 binding. We assessed dependency on GATA3 for the transcription of these 26 Th2-specific genes, and 10 genes showed increased transcription in a GATA3-dependent manner while 16 genes showed no significant responses. The transcription of the 16 GATA3-nonresponding genes was clearly increased by the introduction of an active form of STAT6, STAT6VT. Therefore, although GATA3 has been recognized as a master regulator of Th2 cell differentiation, many Th2-specific genes are not regulated by GATA3 itself but in collaboration with STAT6. Th1 and Th2 subsets are profiled for mRNA expression Examination of GATA3-binding and 3 different histone modifications in Th1 and Th2 cells.

ORGANISM(S): Mus musculus  

SUBMITTER: Y Watanabe   H Hosokawa  A Onodera  T Nakayama  S Sugano  S Horiuchi  Atsushi Onodera  T Tanaka  Y Suzuki 

PROVIDER: E-GEOD-28292 | ArrayExpress | 2011-03-31

SECONDARY ACCESSION(S): SRP007894GSE28292PRJNA139353

REPOSITORIES: GEO, ArrayExpress, ENA

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Genome-wide analysis reveals unique regulation of transcription of Th2-specific genes by GATA3.

Horiuchi Shu S   Onodera Atsushi A   Hosokawa Hiroyuki H   Watanabe Yukiko Y   Tanaka Tomoaki T   Sugano Sumio S   Suzuki Yutaka Y   Nakayama Toshinori T  

Journal of immunology (Baltimore, Md. : 1950) 20110502 11


Differentiation of naive CD4 T cells into Th2 cells is accompanied by chromatin remodeling and increased expression of a set of Th2-specific genes, including those encoding Th2 cytokines. IL-4-mediated STAT6 activation induces high levels of transcription of GATA3, a master regulator of Th2 cell differentiation, and enforced expression of GATA3 induces Th2 cytokine expression. However, it remains unclear whether the expression of other Th2-specific genes is induced directly by GATA3. A genome-wi  ...[more]

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